<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
           <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
           <el-breadcrumb-item>商品管理</el-breadcrumb-item>
           <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图 -->
        <el-card>
            <!-- 搜索、添加商品区域 -->
            <el-row  :gutter="20">

                <el-col :span="8">
                  <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                   </el-input>
                </el-col>

                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

            <!--表格区域-->
            <el-table :data="goodsList" border stripe>
                <!-- 索引列 -->
              <el-table-column type="index"></el-table-column>
            
              <el-table-column label="商品名称" prop="goods_name"></el-table-column>
              <el-table-column label="商品价格（元）" prop="goods_price"></el-table-column>
              <el-table-column label="商品重量" prop="goods_weight" ></el-table-column>
              <el-table-column label="创建时间">
                  <template v-slot="scope">
                      <!-- 调用过滤器显示时间 -->
                      {{scope.row.add_time | dateFormat}}
                  </template>
              </el-table-column>
              <el-table-column label="操作">
                  <template v-slot="scope">
                      <el-button type="primary" icon="el-icon-edit" size="mini">编辑
                      </el-button>
                      <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)">删除
                      </el-button>
                  </template>
              </el-table-column>
            </el-table>
            <!-- 分页 -->
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="100"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
            background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data(){
        return{
            // 查询信息
          queryInfo:{
              query: '',
              pagenum: 1,
              pagesize: 10
          },
        //   商品列表
          goodsList: [],
        //   商品总数
          total: 0
        }
    },
    created(){
      this.getGoodsList()
    },
    methods:{
        // 获取商品列表的函数
      async getGoodsList(){
        const {data:res} = await this.$http.get('goods',{params: this.queryInfo})
        if(res.meta.status != 200){
            return this.$message.error('获取商品列表失败')
        }
        this.goodsList = res.data.goods
        this.total = res.data.total
      },
      handleSizeChange(newSize){
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
      },
      handleCurrentChange(newPage){
        this.queryInfo.pagenum = newPage
        this.getGoodsList()
      },
      async removeById(id){
          const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if(confirmResult !=='confirm'){
            return this.$message.info('已取消操作')
        }
         const {data:res} = await this.$http.delete(`goods/${id}`)
         if(res.meta.status != 200)return this.$message.error('删除失败')
         this.$message.success('删除成功')
         this.getGoodsList()
      },
      goAddpage(){
          this.$router.push('/goods/add')
      }
    }
}
</script>

<style lang="less" scoped>

</style>